Posted: 02/01/2011
CAPE CANAVERAL, Fla. (Feb. 24, 2011) The space shuttle Discovery lifts off from the Kennedy Space Center on its final mission. Mission specialist Capt. Stephen G. Bowen, the first submarine officer selected by NASA is on Discovery's 39th and final mission to deliver a cargo storage unit to the international space station. (U.S. Navy photo by Mass Communication Specialist 2nd Class Kevin S. O'Brien)